The Sun Coast 618-GK Governor Pressure Solenoid Upgrade for your 1996-2007 Dodge 5.9L Cummins Automatic Transmission is specifically designed to improve the reliability of the governor solenoid in normal use and to handle higher base pressure in high...

The Sun Coast 618-BB Billet Band for your 1989-2007 Dodge 5.9L Cummins replaces the OEM thin Flex Band with weak apply ends. The Sun Coast Billet Band features a high-energy lining and is a must have item when building your performance transmission...

The Sun Coast 618-HSX Billet Input Shaft your 1994-2007 Dodge 5.9L Cummins has been designed for those higher horsepower engines. Machined from 300 Maraging AMS 6541 material, this shaft is designed to hold up under increased power levels and heavy...

The Sun Coast 618-BFP Billet Flex Plate for your 1994-2007 Dodge 5.9L Cummins is a must have when it comes to putting power to the ground in your truck. The high torque of your Cummins in conjunction with a better designed torque converter can transfer...

This kit is designed for those looking to upgrade there transmissions on a budget and without having to remove the transmission. We designed this kit for those who are NOT looking to upgrade the Valve Body or already have Valve Body upgrades. For...

Not All Billet Input Shafts Are The Same!&nbsp;Tested at over 1500ft.lbs,&nbsp;these Billet input are tested to be the best in the industry.Billet Inputs are recommended anytime it fits your budget as they are much stronger than the factory shafts. They...

727/518/47RH/47RE/48RETRANSMISSIONS LIVE AND DIE BY PRESSURE !The main purpose of the DTT BILLET SERVO SYSTEM is to stop leakage in the 2nd gear and 3rd gear system. Eventually all transmissions will develop a certain amount of leakage. This can...

A727/ 46RH/46RE/ SRT10/47RH/47RE/48REThe accumulators function is to assist with sealing the transmission for increased transmission life. The OEM accumulator is plastic and more easily distort creating leakage.DTTs accumulator is made from billet...

The apply lever applies 2nd gear. 2nd gear in the 47RE is a band that wraps around the front drum. This drum is spinning in first gear and when the band applies and stops this drum, you are now in 2nd gear.&nbsp;There is a piston (servo) that fills...